PERFECTION TEST CHAPTER 3 FORM 4

PERFECTION TEST CHAPTER 3 FORM 4

(a) State the variables in this experiment.

i) Manipulated variable:

[ 1 mark]

ii) Responding variable:

[ 1 mark]iii) Constant variable:

[ 1 mark]

(a) State the variables in this experiment.i. Manipulated variable:

[1 mark]

ii. Responding variable :

..[ 1 mark](c) The boiling point of the distillate is 100 0C. What is the inference?

..............................

.............................[ 1 mark]

(d) What is the change of state in the Leibig condenser?

..............................[ 1 mark](e) What is the name of the process in Diagram 2?

.......................................................................................................................... [ 1 mark]

a) . What is the name of the

I Vertical Column : ..ii Horizontal row : [ 2 marks]

b) what property changes from P to R ?

[ 1 mark]

c) Give one physical property of S

.[ 1 mark ]

d) What is the name of group where T belongs ?

..[ 1 mark ]

f) What is the electron number of P ?

. [1 mark ]

5. a) Give five differences between metal and non-metal (4 marks)

b) Diagram 4 shows three substances.

Bromine Sulphur Iodine

Substance

DIAGRAM 4

You are required to develop a concept of an non-metal. Your answer should be based on the following aspects:

Identify two common characteristics of a non-metal. Develop an initial concept of a non-metal. Give one example of a non-metal and one which is not a non-metal.Give reason for each example. Build the real concept of a non-metal. (6 marks)

Prepared by: Mohd Norsyafiq Mohd KhambaliPage 8